diff --git a/src/dedupe.c b/src/dedupe.c
index 0f106183..3da34abd 100644
--- a/src/dedupe.c
+++ b/src/dedupe.c
@@ -164,9 +164,12 @@ ClearDedupeTable(void)
 void
 InitDedupeTable(void)
 {
-    hash_table_init(&DedupeTable,
-                    offsetof(DedupeEntry, link),
-                    DedupeHashFunc, CompareDedupes);
+    if (hash_table_init(&DedupeTable,
+                        offsetof(DedupeEntry, link),
+                        DedupeHashFunc, CompareDedupes) < 0) {
+        fprintf(stderr, "Unable to initialize function hash table: Out of memory.  Exiting.\n");
+        exit(1);
+    }
 }
 
 void
diff --git a/src/trans.c b/src/trans.c
index acac4ead..5ada42c8 100644
--- a/src/trans.c
+++ b/src/trans.c
@@ -168,8 +168,11 @@ CompareXlateItems(void *a, void *b)
 void
 InitTranslationTable(void)
 {
-    hash_table_init(&TranslationTable, offsetof(XlateItem, link),
-                    HashXlateItem, CompareXlateItems);
+    if (hash_table_init(&TranslationTable, offsetof(XlateItem, link),
+                        HashXlateItem, CompareXlateItems) < 0) {
+        fprintf(stderr, "Unable to initialize translation hash table: Out of memory.  Exiting.\n");
+        exit(1);
+    }
 }
 
 static XlateItem *
diff --git a/src/userfns.c b/src/userfns.c
index d5795fec..5654f3a4 100644
--- a/src/userfns.c
+++ b/src/userfns.c
@@ -53,10 +53,13 @@ static int CompareUserFuncs(void *a, void *b)
 void
 InitUserFunctions(void)
 {
-    hash_table_init(&FuncHash,
-                    offsetof(UserFunc, link),
-                    HashUserFunc,
-                    CompareUserFuncs);
+    if (hash_table_init(&FuncHash,
+                        offsetof(UserFunc, link),
+                        HashUserFunc,
+                        CompareUserFuncs) < 0) {
+        fprintf(stderr, "Unable to initialize function hash table: Out of memory.  Exiting.\n");
+        exit(1);
+    }
 }
 
 /***************************************************************/
diff --git a/src/var.c b/src/var.c
index e0d21312..2569f6e6 100644
--- a/src/var.c
+++ b/src/var.c
@@ -53,8 +53,11 @@ static int VarCompareFunc(void *a, void *b)
 void
 InitVars(void)
 {
-    hash_table_init(&VHashTbl, offsetof(Var, link),
-                    VarHashFunc, VarCompareFunc);
+    if (hash_table_init(&VHashTbl, offsetof(Var, link),
+                        VarHashFunc, VarCompareFunc) < 0) {
+        fprintf(stderr, "Unable to initialize variable hash table: Out of memory.  Exiting.\n");
+        exit(1);
+    }
 }
 
 static double