diff --git a/src/base/hash/cl_hash2.h b/src/base/hash/cl_hash2.h
index 00eb866..66593ae 100644
--- a/src/base/hash/cl_hash2.h
+++ b/src/base/hash/cl_hash2.h
@@ -118,7 +118,7 @@ private:
         if (this->_freelist < -1)
             return;
         // Can we make room?
-        if (_garcol_fun(this))
+        if (this->_garcol_fun(this))
             if (this->_freelist < -1)
                 return;
         // No! Have to grow the hash table.
@@ -126,7 +126,7 @@ private:
       #else
         // workaround Sun C++ 4.1 inline function compiler bug
         if (this->_freelist >= -1) {
-            if (!_garcol_fun(this) || (this->_freelist >= -1))
+            if (!this->_garcol_fun(this) || (this->_freelist >= -1))
                 grow();
         }
       #endif
diff --git a/src/base/hash/cl_hashuniq.h b/src/base/hash/cl_hashuniq.h
index 25fe4d2..b19b5dd 100644
--- a/src/base/hash/cl_hashuniq.h
+++ b/src/base/hash/cl_hashuniq.h
@@ -115,7 +115,7 @@ private:
         if (this->_freelist < -1)
             return;
         // Can we make room?
-        if (_garcol_fun(this))
+        if (this->_garcol_fun(this))
             if (this->_freelist < -1)
                 return;
         // No! Have to grow the hash table.
@@ -123,7 +123,7 @@ private:
       #else
         // workaround Sun C++ 4.1 inline function compiler bug
         if (this->_freelist >= -1) {
-            if (!_garcol_fun(this) || (this->_freelist >= -1))
+            if (!this->_garcol_fun(this) || (this->_freelist >= -1))
                 grow();
         }
       #endif