diff --git a/manifest b/manifest
index 2257d3ea10..c2eeb441fd 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Improvements\sto\squery\sinvariants\sin\sfuzzcheck.
-D 2022-06-15T20:18:44.107
+C Minor\sfix\sto\sthe\squery\sinvariant\stesting\slogic\sof\sfuzzcheck.
+D 2022-06-16T20:29:36.245
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -1097,7 +1097,7 @@ F test/fuzzdata8.db ca9a97f401b06b0d5376139ec7e1f9e773e13345a9a2d9ccc0032cdbfede
 F test/fuzzer1.test 3d4c4b7e547aba5e5511a2991e3e3d07166cfbb8
 F test/fuzzer2.test a85ef814ce071293bce1ad8dffa217cbbaad4c14
 F test/fuzzerfault.test f64c4aef4c9e9edf1d6dc0d3f1e65dcc81e67c996403c88d14f09b74807a42bc
-F test/fuzzinvariants.c cd5a4c9b891a5c843e0f97a513c095490e974f1ea51392b13c0a7d77fff8e46d
+F test/fuzzinvariants.c 0a8e98662b0ab765881c4094843c1cb4db07dced13006d8572dccf4004b2923f
 F test/gcfault.test dd28c228a38976d6336a3fc42d7e5f1ad060cb8c
 F test/gencol1.test cc0dbb0ee116e5602e18ea7d47f2a0f76b26e09a823b7c36ef254370c2b0f3c1
 F test/genesis.tcl 1e2e2e8e5cc4058549a154ff1892fe5c9de19f98
@@ -1977,8 +1977,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 56c60a35ea457f06db58ec3f694a1ae16fd03e6625da1d7879d63d72bbcb1c62
-R 31cb1a38d873229e67ac58c6da93b5d2
+P 3a461f61b47e6ba6d5dcc2b7470ebde512b57bc68086f65050e07b06f42b7351
+R d0f84b140700e490433349a70f8e673c
 U drh
-Z 1dfdc8c41c0d4bc708c84e77e53555ca
+Z 3d24c9b621cf5763642f52e3d8949e70
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 5e298752d7..5a0c5b8a70 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-3a461f61b47e6ba6d5dcc2b7470ebde512b57bc68086f65050e07b06f42b7351
\ No newline at end of file
+447e62a0946f5d77b7358adcabaeb23a7012cdfbfa1ef6082734cd9b45b2699d
\ No newline at end of file
diff --git a/test/fuzzinvariants.c b/test/fuzzinvariants.c
index f93722ced2..848d2a0124 100644
--- a/test/fuzzinvariants.c
+++ b/test/fuzzinvariants.c
@@ -184,7 +184,7 @@ static char *fuzz_invariant_sql(sqlite3_stmt *pStmt, int iCnt){
   }
   for(i=0; i<sqlite3_column_count(pStmt); i++){
     const char *zColName = sqlite3_column_name(pBase,i);
-    const char *zSuffix = strchr(zColName, ':');
+    const char *zSuffix = zColName ? strchr(zColName, ':') : 0;
     if( zSuffix 
      && isdigit(zSuffix[1])
      && (zSuffix[1]>'3' || isdigit(zSuffix[2]))