diff --git a/matlab/correlation_mc_analysis.m b/matlab/correlation_mc_analysis.m
index 372fda45d..6eba19485 100644
--- a/matlab/correlation_mc_analysis.m
+++ b/matlab/correlation_mc_analysis.m
@@ -43,6 +43,9 @@ else
     var2 = var1;
 end
 
+var1=deblank(var1);
+var2=deblank(var2);
+
 if isfield(oo_,[TYPE 'TheoreticalMoments'])
     temporary_structure = oo_.([TYPE, 'TheoreticalMoments']);
     if isfield(temporary_structure,'dsge')
diff --git a/matlab/covariance_mc_analysis.m b/matlab/covariance_mc_analysis.m
index ccb0a0c30..60753407b 100644
--- a/matlab/covariance_mc_analysis.m
+++ b/matlab/covariance_mc_analysis.m
@@ -60,6 +60,9 @@ else
     var2 = var1;
 end
 
+var1=deblank(var1);
+var2=deblank(var2);
+
 if isfield(oo_,[ TYPE 'TheoreticalMoments'])
     temporary_structure = oo_.([TYPE, 'TheoreticalMoments']); 
     if isfield(temporary_structure,'dsge')
diff --git a/matlab/variance_decomposition_mc_analysis.m b/matlab/variance_decomposition_mc_analysis.m
index 1a04fea48..cfaf71c9a 100644
--- a/matlab/variance_decomposition_mc_analysis.m
+++ b/matlab/variance_decomposition_mc_analysis.m
@@ -61,6 +61,9 @@ if isempty(jndx)
     return
 end
 
+var=deblank(var);
+exo=deblank(exo);
+
 name = [ var '.' exo ];
 if isfield(oo_, [ TYPE 'TheoreticalMoments'])
     temporary_structure = oo_.([TYPE, 'TheoreticalMoments']);