diff --git a/require-ess/src/require.c b/require-ess/src/require.c
index 21cb4ad43b70640d43e2c08fd2856d2e3ee4ee3a..1156c2d1ac2571c83f27dbd42c7e4d2fc91e459f 100644
--- a/require-ess/src/require.c
+++ b/require-ess/src/require.c
@@ -518,7 +518,8 @@ void registerModule(const char *module, const char *version, const char *locatio
     size_t lm = strlen(module) + 1;
     size_t lv = (version ? strlen(version) : 0) + 1;
     size_t ll = 1;
-    char *abslocation = NULL;
+    char *absLocation = NULL;
+    char *absLocationRequire = NULL;
     char *argstring = NULL;
     const char *mylocation;
     static int firstTime = 1;
@@ -539,8 +540,8 @@ void registerModule(const char *module, const char *version, const char *locatio
 
     if (location)
     {
-        abslocation = realpathSeparator(location);
-        ll = strlen(abslocation) + 1;
+        absLocation = realpathSeparator(location);
+        ll = strlen(absLocation) + 1;
     }
     m = (moduleitem *)malloc(sizeof(moduleitem) + lm + lv + ll);
     if (m == NULL)
@@ -553,9 +554,9 @@ void registerModule(const char *module, const char *version, const char *locatio
 
     strcpy(m->content, module);
     strcpy(m->content + lm, version);
-    strcpy(m->content + lm + lv, abslocation ? abslocation : "");
+    strcpy(m->content + lm + lv, absLocation ? absLocation : "");
 
-    free(abslocation);
+    free(absLocation);
     for (pm = &loadedModules; *pm != NULL; pm = &(*pm)->next)
         ;
     *pm = m;
@@ -580,7 +581,7 @@ void registerModule(const char *module, const char *version, const char *locatio
     mylocation = getenv("require_DIR");
     if (mylocation == NULL)
         return;
-    if (asprintf(&abslocation, "%s" OSI_PATH_SEPARATOR "db" OSI_PATH_SEPARATOR "moduleversion.template", mylocation) < 0)
+    if (asprintf(&absLocationRequire, "%s" OSI_PATH_SEPARATOR "db" OSI_PATH_SEPARATOR "moduleversion.template", mylocation) < 0)
         return;
     /*
        Require DB has the following four PVs:
@@ -597,9 +598,9 @@ void registerModule(const char *module, const char *version, const char *locatio
                  moduleListBufferSize + maxModuleNameLength * moduleCount) < 0)
         return;
     printf("Loading module info records for %s\n", module);
-    dbLoadRecords(abslocation, argstring);
+    dbLoadRecords(absLocationRequire, argstring);
     free(argstring);
-    free(abslocation);
+    free(absLocationRequire);
 }
 
 #if defined(__linux)