diff --git a/stim/envi/envi.h b/stim/envi/envi.h
index a8dc5ac..5ebfa47 100644
--- a/stim/envi/envi.h
+++ b/stim/envi/envi.h
@@ -1202,7 +1202,7 @@ public:
 	template<typename T>
 	void spectrum(T* ptr, unsigned long long x, unsigned long long y, bool PROGRESS = false){
 
-		spectrum<T>(ptr, y * header.samples + x, PROGRESS = false);
+		spectrum<T>(ptr, y * header.samples + x, PROGRESS);
 		/*void* temp = alloc_array<T>(header.bands);		//allocate space for the output array
 
 		if(header.interleave == envi_header::BSQ){		//if the infile is bsq file
--
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